const date = new Date(2022,8,15)
export default function isDate(){
		const updateS = uni.getStorageSync('update'); // 应用更新，清理更新前的缓存
		if(updateS){
			if(updateS < date){
				uni.clearStorageSync();
			}
			
		}else{
			uni.clearStorageSync();
			uni.setStorageSync('update',new Date())
		}
	}
	
